GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Cadillac 🢒 2009 🢒 DTS 🢒 Power and Signal Distribution 🢒 Data Communications 🢒 Data Communication Schematics
Figure 1:

Power, Ground and Low Speed GMLAN
Object Number: 2082349 Size: FS
Figure 2:

High Speed Serial Data
Object Number: 2082350 Size: FS
Figure 3:

High Speed Serial Data, Wake Up
Object Number: 2082351 Size: FS
Figure 4:

Local Interconnect Network (LIN)
Object Number: 2082352 Size: FS